Manufacturer Crystal Pyrex Capillary Quartz Tube Borosilicate Glass Tube

Product Description

Manufacturer Crystal Pyrex Capillary Quartz Tube Borosilicate Glass Tube
Product Features
1.These tubes advantages are high purity, good spectral transmission, well controlled dimension and low OH, etc.
2.They're the best heat resisting material for lamps like: halogen lamps, mercury lamps, metal halide lamps, etc.
3.We can produce the tubes within a very large diameter rang: OD 3-400mm, thickness wall 0.7 - 10.0mm , length maximum 3000mm.
4.We also can apply some further processing like trim cutting, fire polishing, bending, pinching, grinding and others according to customers' requirements.
5.We also can control our tubes OH content within 20ppm\ 15ppm\10ppm\5ppm\2ppm as your special needs.

Dimensional Tolerance:

Range of OD	OD	WT	Siding	Out of Round	Bow/1220mm
≤6mm	±2.0%	±10%	12%	2.00%	2.5mm
6.00mm-15.00mm	±1.25%	±8%	10%	1.50%	2.5mm
15.00mm-20.00mm	±1.25%	±10%	15%	1.50%	2.5mm
20.00mm-25.00mm	±1.25%	±10%	15%	1.50%	3.0mm
25.00mm-30.00mm	±1.35%	±12%	15%	1.50%	3.0mm
30.00mm-80.00mm	±1.5%	±14%	15%	2.00%	3.0mm

Physical Property:

	214	219	254
Density (g/cc)	2.2	2.21	2.21
Coefficient of Thermal Expansion(cm/cm°C)	5.5*10-7	5.9*10-7	6.7*10-7
Softening Point (°C)	1683	1660	1615
Annealing Point (°C)	1215	1204	1163
Strain Point (°C)	1120	1106	1066
Refractive Index	1.4585	1.456	1.46
Specific Heat (j/kgOK)	670	700	690
Compressive Strength (Pa)	>1.1*109	0.94*109	0.55*109
Youngs Modulus (Pa)	7.2*1010	7.5*1010	7*1010

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